Golden Gate Park's historic collection of plants.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

Home to the "Circus" trees created by Axel Erlandson.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

This turn of the century masterpiece has a mysterious goaty interloper.

One of the most unusual geological features, recognizable from a dozen hit movies.

An extensive collection of ancient Egyptian artifacts and mummies.

Commonly referred to as the most photographed Victorian home in the United States.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

A multimedia experience that chronicles the atrocities of racism.

One of the last free public hot springs is decorated with hippie art.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

Acres of natural wonders left behind by a socialite-turned-gardener.

The unbelievably opulent home built for an infamous newspaperman.

A bigger-than-life pun that has become a beacon of altruism.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.